disable kernel build waring

hc

2024-05-10 093a6c67005148ae32a5c9e4553491b9f5c2457b

 kernel/fs/fuse/inode.c
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@@ -713,6 +713,7 @@
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 	fc->pid_ns = get_pid_ns(task_active_pid_ns(current));
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 	fc->user_ns = get_user_ns(user_ns);
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 	fc->max_pages = FUSE_DEFAULT_MAX_PAGES_PER_REQ;
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+	fc->max_pages_limit = FUSE_MAX_MAX_PAGES;
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 	INIT_LIST_HEAD(&fc->mounts);
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 	list_add(&fm->fc_entry, &fc->mounts);
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@@ -1059,7 +1060,7 @@
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 				fc->abort_err = 1;
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 			if (arg->flags & FUSE_MAX_PAGES) {
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 				fc->max_pages =
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-					min_t(unsigned int, FUSE_MAX_MAX_PAGES,
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+					min_t(unsigned int, fc->max_pages_limit,
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 					max_t(unsigned int, arg->max_pages, 1));
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 			}
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 			if (IS_ENABLED(CONFIG_FUSE_DAX) &&
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@@ -1617,7 +1618,7 @@
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 	struct fuse_mount *fm = get_fuse_mount_super(sb);
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 	bool last;
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-	if (fm) {
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+	if (sb->s_root) {
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 		last = fuse_mount_remove(fm);
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 		if (last)
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 			fuse_conn_destroy(fm);